“I think people are going to take him a lot more seriously than they have in the past… He’s in, and he’s going to be around for a long time,” Quayle told FOX Business Network’s Neil Cavuto.

The former vice president, who was in office under George H.W. Bush during the Gulf War, said he thinks national security will become a more important issue or topic in future presidential debates. He also had on opinion on the current ISIS situation.